This 2-cycle O.S. 46AX model airplane engine is in new condition with the original box. The small engine was donated by Art Pesch of Hobbico. The O.S. 46AX has a displacement of 7.45 cc (.455 cubic inches). It has a bore of 22.0 mm (.866”) and stroke of 19.6 mm (.772”). The speed range is between 2,000–17,000 rpm. 

Exhibit added: November 1, 2007 - Last modified: February 5, 2024

Presented by The Joe Martin Foundation for Exceptional Craftsmanship